Official rule text
91.3 After the active player resolves the primary ability of the “Technology” strategy card, each other player, beginning with the player to the left of the active player and proceeding clockwise, may research one technology of their choice by spending one command token from their strategy pool and four resources. RELATED TOPICS: Initiative Order, Resources, Strategic Action,
View official source
Source: Living Rules Reference and FAQ - Prophecy of Kings
Expansion: Prophecy of Kings
Version: 2.0
Reference: Rule 91.3